Add yaml rest test for node role cluster_manager

Signed-off-by: Tianli Feng <ftianli@amazon.com>

Author: Tianli Feng

rest-api-spec/src/main/resources/rest-api-spec/test/cluster.stats/10_basic.yml

@@ -91,3 +91,22 @@
       cluster.stats: {}
 
   - is_true: nodes.packaging_types
+
+---
+"get cluster stats nodes count with both master and cluster_manager":
+  - skip:
+      version: " - 1.4.99"
+      reason: "node role cluster_manager is added in 2.0.0"
+
+  - do:
+      cluster.stats: {}
+
+  - set:
+      nodes.count.cluster_manager: cluster_manager_count
+
+  - gte: { nodes.count.total: 1}
+  - match: { nodes.count.cluster_manager: $cluster_manager_count }
+  - match: { nodes.count.master: $cluster_manager_count }
+  - gte: { nodes.count.data: 1}
+  - gte: { nodes.count.ingest: 0}
+  - gte: { nodes.count.coordinating_only: 0}

rest-api-spec/src/main/resources/rest-api-spec/test/nodes.info/10_basic.yml

@@ -14,7 +14,7 @@ setup:
 ---
 "node_info role test":
   - skip:
-      version: " - 7.7.99"
+      version: " - 7.7.99 , 2.0.0 - "
       reason: "node roles were not sorted before 7.8.0"
 
   - do:
@@ -28,4 +28,23 @@ setup:
   - match: { nodes.$node_id.roles.1: "ingest" }
   - match: { nodes.$node_id.roles.2: "master" }
   - match: { nodes.$node_id.roles.3: "remote_cluster_client" }
+    
+---
+"node_info role test with both master and cluster_manager":
+  - skip:
+      version: " - 1.4.99"
+      reason: "node role cluster_manager is added in 2.0.0"
+
+  - do:
+      nodes.info: {}
+  - set:
+      nodes._arbitrary_key_: node_id
+
+  - is_true: nodes.$node_id.roles
+  # the roles output is sorted
+  - match: { nodes.$node_id.roles.0: "cluster_manager" }
+  - match: { nodes.$node_id.roles.1: "data" }
+  - match: { nodes.$node_id.roles.2: "ingest" }
+  - match: { nodes.$node_id.roles.3: "master" }
+  - match: { nodes.$node_id.roles.4: "remote_cluster_client" }